a. Obs. [f. L. fœdifrag-us (f. foedus compact + root of frangĕre to break) + -OUS.] Compact-breaking, faithless, perfidious.

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1600.  Abp. Abbot, An Exposition upon the Prophet Jonah (1613), 348. Who knew whether he should euer returne aliue, for Ambassadours haue bene slaine, by perfidious and fedifragous, and barbarous Princes, cleane contrarie to the lawe of nature and of nations.

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1651.  C. Love’s Case, 53. Such desultory and fedifragous practices.

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  absol.  1632.  Vicars, trans. Virgil’s Æneid, XII. 304.

        And let great Iove heare thus, whose thunders great
Do truces tie; fright the fedifragous.

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